This 6F OFC RDSO-approved optical fiber cable on best price is designed for underground telecom and railway signaling applications. Built with single-mode ITU-T G. 652D fibers and protected by corrugated steel tape armor, it ensures high durability in harsh environments. Featuring a center bundle tube design and rugged armouring, this cable ensures superior protection and excellent signal transmission. Fiber Optic Outside Plant Cable, 6-core, CST (Corrugated Steel Tape) Armored, Loose-tube, Gel-filled, 50/125 µm, OM4, Multimode, Black cable jacket Click on image to enlarge.